Backed by 7.6 million followers on YouTube, the beauty guru's empire is so diverse even people least likely to watch her Barbie makeup transformation know her name. The online star still has a few secrets.

A lubricant called LiquiGlide, developed initially at MIT, is the potential savior for all those frustrated by bottles of ketchup, shampoo, lotion, and everything else where there's always something left behind.

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